clock repair, back cover of analog watch has been opened for repairing

clock repair mechanical inside open restore watch time gear mechanism occupation precision work fix electronic round broken tool hours minute alarm plastic back cover disassemble isolated technician profession service workshop job clockwork repairman accuracy parts engine machine motor cogwheel analog timer timepiece screwdriver screw device instrument wiring horizontal red repairing fixing working restoration workspace wire cable component cog wheel machinery mechanic technical ticking second oclock damage circle shape invert overturn upend equipment vintage old warranty technology industrial white objects